WordNet (r) 3.0 (2006):

inductive reasoning
    n 1: reasoning from detailed facts to general principles [syn:
         generalization, generalisation, induction, inductive
         reasoning]

Moby Thesaurus II by Grady Ward, 1.0:

35 Moby Thesaurus words for "inductive reasoning":
   Baconian method, a fortiori reasoning, a posteriori reasoning,
   a priori reasoning, analysis, deduction, deductive reasoning,
   demonstration, discourse, discourse of reason, discursive reason,
   epagoge, generalization, hypothesis and verification, induction,
   inference, logical thought, particularization,
   philosophical induction, philosophy, proof, ratiocination,
   rationalism, rationality, rationalization, rationalizing, reason,
   reasonableness, reasoning, sophistry, specious reasoning,
   sweet reason, syllogism, syllogistic reasoning, synthesis